/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.chukwa.rest.services;
import java.util.*;
import java.sql.*;
import javax.naming.InitialContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.chukwa.database.DatabaseConfig;
import org.apache.hadoop.chukwa.database.Macro;
import org.apache.hadoop.chukwa.util.DatabaseWriter;
import org.apache.hadoop.chukwa.rest.objects.MrJobConf;
import org.apache.hadoop.chukwa.rest.services.RestHome;
/**
* Home object for domain model class HadoopJvm.
* @see org.apahe.hadoop.chukwa.rest.objects.MrJobConf
* @author Hibernate Tools
*/
public class MrJobConfHome extends RestHome {
private static String table="[mr_job_conf]";
private static final Log log = LogFactory
.getLog(MrJobConfHome.class);
private static MrJobConf createMrJobConf(ResultSet rs) {
MrJobConf obj = null;
try {
obj = new MrJobConf(
rs.getString("job_id"),
rs.getTimestamp("ts"),
rs.getString("mr_output_key_cls"),
rs.getString("mr_runner_cls"),
rs.getString("mr_output_value_cls"),
rs.getString("mr_input_fmt_cls"),
rs.getString("mr_output_fmt_cls"),
rs.getString("mr_reducer_cls"),
rs.getString("mr_mapper_cls")
);
} catch (Exception e) {
}
return obj;
}
public static MrJobConf find(String job_id) {
String cluster = getCluster();
DatabaseWriter dbw = new DatabaseWriter(cluster);
if (job_id != null) {
// get simple value
try {
String query = getSingleQuery(MrJobConfHome.table,"job_id",job_id);
ResultSet rs = dbw.query(query);
if (rs.next()) {
MrJobConf obj = createMrJobConf(rs);
return obj;
}
} catch (Exception e) {
log.error("exception:"+e.toString());
}
} else {
// check start time and end time
}
return null;
}
}